#031D40#031D40

#031D40 is a very dark, moderate cyan. Relative luminance 0.013; OKLCH L 23.5% C 0.074 H 256.6°. Best body text is #FFFFFF at 16.75:1 contrast (WCAG AA passes).

Color values

HEX	#031D40
RGB	rgb(3, 29, 64)
HSL	hsl(214, 91%, 13%)
HSV	hsv(214, 95%, 25%)
CMYK	cmyk(95.3%, 54.7%, 0%, 74.9%)
CIE-LAB	lab(11.05, 6.03, -25.08)
CIE-LCH	lch(11.05, 25.79, 283.51°)
OKLab	oklab(23.49% -0.0172 -0.0722)
OKLCH	oklch(23.49% 0.074 256.6)
XYZ	xyz(1.4020, 1.2681, 5.0204)
Luminance	0.0127 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#031D40 #402603

analogous

#033B40 #031D40 #070340

triadic

#031D40 #40031D #1D4003

tetradic

#031D40 #40033B #402603 #034007

square

#031D40 #40033B #402603 #034007

split-complementary

#031D40 #400703 #3B4003

monochromatic

#010D1D #010D1D #031D40 #06377A #0852B5

Accessibility & contrast

On white

16.75

#031D40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#031D40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #031D40

16.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##031D40	#FFFFFF	#000000	##FFFFFF
##031D40	1.00	16.75	1.25	16.75
#FFFFFF	16.75	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#082141

Deuteranopia (green-blind)

#001B3F

Tritanopia (blue-blind)

#00252B

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #031d40;
/* rgb */ color: rgb(3, 29, 64);
/* oklch */ color: oklch(23.5% 0.074 256.6);

Tailwind

colors: {
  custom: {
    50: '#505875',
    500: '#031d40',
    950: '#000000',
  },
}

SCSS

$custom: #031d40;
$custom-light: #505875;
$custom-dark: #000000;

JSON

{
  "hex": "#031d40",
  "rgb": {
    "r": 3,
    "g": 29,
    "b": 64
  },
  "hsl": {
    "h": 214.426,
    "s": 91.045,
    "l": 13.137
  },
  "oklch": {
    "l": 0.23495,
    "c": 0.0742,
    "h": 256.6
  },
  "luminance": 0.01268
}

Semantic roles & 50–950 ramp

primary

#031D40

secondary

#82571D

accent

#A429FF

background

#F4F5F7

surface

#E7E9ED

border

#C3C5C8

text

#020308

muted

#78787B

Preview Lab

Preview with #031D40

Body copy rendered with the generated semantic roles for this colour.

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